body{
    padding: 0;
    margin: 0;
}
.main{
    width: 400px;
    height: 500px;
    margin: 0 auto;
}
.main .top{
    width: 400px;
    height: 100px;
    text-align: center;
}
.main .top >span{
    font-family: 微软雅黑;
    font-size: 40px;
    color: white;
    line-height: 100px;
}
.main .center{
    width: 400px;
    height: 300px;
    text-align: center;
}
.main .center .user{
    padding-top: 50px;
}
.main .center .user,.kahao,.cbs,.returnDate{
    width: 400px;
    height: 50px;
    line-height: 50px;
    font-family: 微软雅黑;
    font-size: 20px;
}
.main .center .cbs >input{
    width: 170px;
    height: 20px;
}
.main .center .kahao{
    width: 440px;
}
.main .center .returnDate{
    width: 340px;
}


.main .foot{
    width: 400px;
    height: 100px;
    text-align: center;
}
.main .foot >input{
    width: 90px;
    height: 25px;
}